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Abstract：
BACKGROUND: Intestinal tuberculosis is a chronic disease caused by Mycobacterium tuberculosis that mainly affects the ileum and cecum. Small bowel tuberculosis, characterized by predominant involvement of the small intestine, is an extremely rare condition with highly atypical clinical presentations, making diagnosis even more challenging.
METHODS: We report three cases of small intestinal tuberculosis, two of the patients presented primarily with abdominal pain, and one presented with gastrointestinal bleeding. All patients underwent blood tests and imaging examinations. Small bowel endoscopy (SBE) revealed that the main lesions in these patients were intestinal stenosis or gastrointestinal bleeding caused by small intestinal ulcers. One patient ultimately underwent surgical treatment. Following a complex diagnostic process and comprehensive analysis, all patients were confirmed to have small intestinal tuberculosis and received standard antituberculosis treatment, leading to an improvement in their condition.
CONCLUSIONS: Patients with SBTs present with nonspecific symptoms such as abdominal pain, weight loss, and occasional gastrointestinal bleeding. Accurate diagnosis requires a thorough evaluation of clinical symptoms and various tests to avoid misdiagnosis and complications.
METHODS: We report three cases of small intestinal tuberculosis, two of the patients presented primarily with abdominal pain, and one presented with gastrointestinal bleeding. All patients underwent blood tests and imaging examinations. Small bowel endoscopy (SBE) revealed that the main lesions in these patients were intestinal stenosis or gastrointestinal bleeding caused by small intestinal ulcers. One patient ultimately underwent surgical treatment. Following a complex diagnostic process and comprehensive analysis, all patients were confirmed to have small intestinal tuberculosis and received standard antituberculosis treatment, leading to an improvement in their condition.
CONCLUSIONS: Patients with SBTs present with nonspecific symptoms such as abdominal pain, weight loss, and occasional gastrointestinal bleeding. Accurate diagnosis requires a thorough evaluation of clinical symptoms and various tests to avoid misdiagnosis and complications.
摘要：
背景：肠结核是由结核分枝杆菌引起的慢性疾病，主要影响回肠和盲肠。小肠结核,以小肠主要受累为特征，是一种极其罕见的疾病，具有高度不典型的临床表现，使诊断更具挑战性。
方法：我们报告3例小肠结核，其中两名患者主要表现为腹痛，还有一个出现了消化道出血.所有患者均接受血液检查和影像学检查。小肠内镜（SBE）显示，这些患者的主要病变是由小肠溃疡引起的肠狭窄或消化道出血。一名患者最终接受了手术治疗。经过复杂的诊断过程和全面的分析，所有患者均被证实患有小肠结核，并接受了标准的抗结核治疗，导致他们的状况改善。
结论：SBTs患者出现非特异性症状，如腹痛，减肥,偶尔还有消化道出血.准确的诊断需要对临床症状和各种检查进行全面评估，以避免误诊和并发症。
方法：我们报告3例小肠结核，其中两名患者主要表现为腹痛，还有一个出现了消化道出血.所有患者均接受血液检查和影像学检查。小肠内镜（SBE）显示，这些患者的主要病变是由小肠溃疡引起的肠狭窄或消化道出血。一名患者最终接受了手术治疗。经过复杂的诊断过程和全面的分析，所有患者均被证实患有小肠结核，并接受了标准的抗结核治疗，导致他们的状况改善。
结论：SBTs患者出现非特异性症状，如腹痛，减肥,偶尔还有消化道出血.准确的诊断需要对临床症状和各种检查进行全面评估，以避免误诊和并发症。
